Externalized ImGUI compilation and fixed white screen issue

BarinkEngine/premake5.lua

@@ -13,29 +13,43 @@ project "BarinkEngine"
 
     "../libs/physx/physx/include",
     "../libs/steam-audio/include",
+    
     "../libs/assimp/include",
+    
+
     "../libs/glad/include",
+
     "../libs/glfw/include",
-   -- "../libs/tinygltf",
     "../libs/glew/include",
     "../libs/glm",
+    
     "../libs/ImGui",
+  }
+
+  links {
+    -- This needs to fall under the filter as the names can differ on different platforms 
+    "phonon",
+    "lua54",
+    "spdlog",
+    "assimp-vc143-mtd",
+    "glfw3",
+
+    "ImGUI_Opengl3",
+
+    
 
   }
 
+
   libdirs {
     "../libs/steam-audio/lib/windows-x64",
     "../libs/lua",
     "../libs/spdlog/build/Release",
     "../libs/assimp/lib/Debug",
     "../libs/glfw/build/src/Debug",
-    "../libs/ImGui"
   }
 
   files {
-    "../libs/ImGui/*.cpp",
-    "../libs/ImGui/backends/imgui_impl_glfw.cpp",
-    "../libs/ImGui/backends/imgui_impl_Opengl3.cpp",
     "../libs/glad/src/glad.c",
 
     "./*.cpp",
@@ -45,6 +59,7 @@ project "BarinkEngine"
   }
 
 
+
   filter { "system:windows"}
     prebuildcommands {
       -- Copy shaders 
@@ -54,14 +69,7 @@ project "BarinkEngine"
       "copy graphics\\shaders\\RenderSurfaceVert.shader   ..\\build\\SandboxApplication\\Debug\\RenderSurface.vs" 
     }
     
-    links {
-      -- This needs to fall under the filter as the names can differ on different platforms 
-      "phonon",
-      "lua54",
-      "spdlog",
-      "assimp-vc143-mtd",
-      "glfw3"
-    }
+   
 
   filter { "system:linux" }
     prebuildcommands {
@@ -71,3 +79,5 @@ project "BarinkEngine"
       "cp graphics/shaders/RenderSurfaceFrag.shader ../build/SandboxApplication/Debug/RenderSurface.fs",
       "cp graphics/shaders/RenderSurfaceVert.shader ../build/SandboxApplication/Debug/RenderSurface.vs" 
     }
+
+include('../ImGui')